Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Matobo Hills' has mentioned 'Clay' in the following places:
Occurrence Sentence Text Source
In the many crevices and caves, clay ovens and other historic artefacts have been found,[12] and various archaeological finds date back as far as the Pre-Middle Stone Age, around 300,000 B.P.
[26][27] Today much of the pottery and artifacts found on cave floors and most of the clay grain bins in the hills are remnants from the 1896 rebellion era.